#4F50B2#4F50B2

#4F50B2 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.152 H 278.7°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#4F50B2
RGB	rgb(79, 80, 178)
HSL	hsl(239, 39%, 50%)
HSV	hsv(239, 56%, 70%)
CMYK	cmyk(55.6%, 55.1%, 0%, 30.2%)
CIE-LAB	lab(38.92, 28.12, -52.51)
CIE-LCH	lch(38.92, 59.57, 298.17°)
OKLab	oklab(48.47% 0.0229 -0.1503)
OKLCH	oklch(48.47% 0.152 278.7)
XYZ	xyz(14.1265, 10.6130, 43.4150)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F50B2 #B2B14F

analogous

#4F81B2 #4F50B2 #7F4FB2

triadic

#4F50B2 #B24F50 #50B24F

tetradic

#4F50B2 #B24F81 #B2B14F #4FB27F

square

#4F50B2 #B24F81 #B2B14F #4FB27F

split-complementary

#4F50B2 #B27F4F #81B24F

monochromatic

#29295E #3C3C88 #4F50B2 #7A7AC5 #A4A5D7

Accessibility & contrast

On white

6.72

#4F50B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#4F50B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F50B2

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F50B2	#FFFFFF	#000000	##FFFFFF
##4F50B2	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1060B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#1D6779

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4f50b2;
/* rgb */ color: rgb(79, 80, 178);
/* oklch */ color: oklch(48.5% 0.152 278.7);

Tailwind

colors: {
  custom: {
    50: '#8981ca',
    500: '#4f50b2',
    950: '#000000',
  },
}

SCSS

$custom: #4f50b2;
$custom-light: #8981ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4f50b2",
  "rgb": {
    "r": 79,
    "g": 80,
    "b": 178
  },
  "hsl": {
    "h": 239.394,
    "s": 39.13,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48467,
    "c": 0.15206,
    "h": 278.7
  },
  "luminance": 0.10614
}

Semantic roles & 50–950 ramp

primary

#4F50B2

secondary

#C4C498

accent

#CE59CF

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #4F50B2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →